The default XHTML export template – PB Docs 2022

In the default XHTML export template, export XHTML entities (markup
and character data) are displayed as single tree view items that denote
the type of entity. The default template has one element for each column
in the DataWindow object:

You can create multiple templates and save them by name with the
DataWindow object. Each template is uniquely associated with the
DataWindow object open in the painter. For information, see “Managing templates”.